Seiko Cal. 7017 - 643

The Seiko 7017-643 represents an important milestone in Seiko's 1979 lineup. Powered by the 7017 caliber with 21j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-790c1c2df5b3]

Also known as: Silverwave, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1979

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